public class Demo1 {
    public static void main(String[] args) {
        Object locker1 = new Object();
        Object locker2 = new Object();
        Thread t1 = new Thread(() -> {
            synchronized (locker1) {
                System.out.println("t1 线程获得了 锁1");
                try {
                    Thread.sleep(1000);
                } catch (InterruptedException e) {
                    throw new RuntimeException(e);
                }
            }
            synchronized (locker2) {
                System.out.println("t1 线程成功获得了 锁2");
            }
        });

        Thread t2 = new Thread(() -> {
           synchronized(locker2) {
               System.out.println("t2 线程获得了 锁2");
           }
            synchronized(locker1) {
                System.out.println("t2 线程成功获得了 锁1");
            }
        });

        t1.start();
        t2.start();
    }
}
